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Electric three way control valve

Electric three way control valve

Short Description:

Electric converging 3-way control valve is converging structure and has converging and diverging structure for choice,electric converging 3-way control valve adopts double valve cores up and down guide structure, equipped with multiple spring actuator. Electric 3-way control valve can replace two sets two-way valve and widely used in many occasions to regulate pressure, flow rate, temperature and liquid level.
The Electric converging 3-way control valve body has the features as below:
1.compact structure, light weight, sensitive action, low pressure drop loss, new high allowable pressure, large valve capacity, accurate flow characteristics and convenient maintenance, etc.,
2. Electric converging 3-way control valve can be used for various working conditions, especially for the temperature control system of oil industry heat exchange and automatic control of other industries.
3. Spool structure with side guiding, well stability, no vibration, low noisy, Electric converging 3-way control valve can bear high pressure difference, easy for connection.
4. While with low nominal size and pressure difference, converging control valve can be used in diverging occasion. However, while nominal size higher than DN100 and high pressure difference, converging control valve and diverging control valve can’t be exchanged.


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Three way electric control valve actuator specification

Electric 3-way control valve
Type\ Method
Electric actuator
  3810L series
  Intelligent integrated type
Usage Regulating
Air supply pressure or Power supply voltage Power: AC 200V±10%  50Hz
Or Power:  AC 380V±10% 50Hz
Connector Normal type:  cable inlet 2-PF(G1/2)
Explosive proof:  Protection jacket PF(G3/4)
Direct action Input signal increase, stem descend, valve close.
Reaction Input signal increase, stem ascend, valve open.
Input signal Input/output420mA.DC
Lag ≤0.8%FS
Linear type ≤+1%FS
Environmental temperature Standard type: -10℃+60
With space heater : -35℃+60
Explosive proof: -10℃+40
Electric 3-way control valve
Accessories
Space heater (normal type)
Non-standard accessories, need special customized notes.

Three way control valve technical parameter

Nominal Diameter DN (mm) 25 32 40 50 65 80 100 125 150 200
Rated Flow Factor (KV) Confluence 8.5 13 21 34 53 85 135 210 340 535
  Distributary 8.5 13 21 34 53 85 135 210 340 535
    Can be Instead by Confluence System          
Rated Stroke L (mm) 16 25 40 60
Diaphragm Active Area Ae (c m 2 ) 280 400 600 1000
Nominal Pressure PN (Mpa) 1.6 4.0 6.4
Inherent Flow Characteristic Straight Line, Parabola
Inherent Adjustable Rate R 30
Working Temperature t( °C ) Common:Cast Iron -20 ~ 200 Cast Steel -40~250 Cast Stainless Steel -60 ~ 250

Heat Dissipation:Cast Steel -40 ~ 450 Cast Stainless Steel -60~450

Two Media Temperature Difference t( °C ) Cast Iron≤ 150 Cast Steel, Cast Stainless Steel≤ 200
Sign Range Pr(kPa) 40~200
Bleed Pressure Ps(MPa) 0.14~0.4
Permit Leakage Rate 10 -4 X Valve Rated Capacity
Permit Pressure Distance  P(MPa) 0.86 0.75 0.48 0.31 0.27 0.18 0.11 0.12 0.09 0.05

 

Three way electric control valve structure

Electric three way contr (

Three way electric control valve flow direction

Electric three way contr (1)

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